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Jun 24, 2016 at 20:27 history edited Rob CC BY-SA 3.0
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Jun 24, 2016 at 17:55 history edited Olin Lathrop CC BY-SA 3.0
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Jun 24, 2016 at 17:53 comment added Olin Lathrop @lap: That other question is about how to get a doorbell signal into a arduino, not about how to switch another circuit, possibly requiring substantial power. A opto-isolator would be fine for the first, but not the second.
Jun 24, 2016 at 15:44 comment added Voltage Spike Possible duplicate of Mains doorbell to Arduino
Jun 24, 2016 at 15:44 comment added Voltage Spike This is a duplicate, if you didn't do a search on EE.SE before you posted then you should have electronics.stackexchange.com/help/how-to-ask It is required that you do prior research before posting. Thanks
Jun 24, 2016 at 11:49 history edited Rob CC BY-SA 3.0
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Jun 24, 2016 at 11:43 answer added Transistor timeline score: 4
Jun 24, 2016 at 11:33 history edited Olin Lathrop CC BY-SA 3.0
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Jun 24, 2016 at 11:29 answer added Olin Lathrop timeline score: 5
Jun 24, 2016 at 11:29 history edited Rob CC BY-SA 3.0
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Jun 24, 2016 at 11:22 history edited Rob CC BY-SA 3.0
Further clarification
Jun 24, 2016 at 11:16 review Close votes
Jun 24, 2016 at 22:42
Jun 24, 2016 at 10:21 answer added p0lt3rge1st timeline score: 0
Jun 24, 2016 at 10:10 comment added Andrew Morton You might find What are the differences between an AC and DC coil relay? useful.
Jun 24, 2016 at 10:06 history edited Rob CC BY-SA 3.0
edited title
Jun 24, 2016 at 10:03 review First posts
Jun 24, 2016 at 11:13
Jun 24, 2016 at 9:59 history asked Rob CC BY-SA 3.0